0.8x-0.8(5-x)=6.4

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Solution for 0.8x-0.8(5-x)=6.4 equation: 


Simplifying
0.8x + -0.8(5 + -1x) = 6.4
0.8x + (5 * -0.8 + -1x * -0.8) = 6.4
0.8x + (-4 + 0.8x) = 6.4

Reorder the terms:
-4 + 0.8x + 0.8x = 6.4

Combine like terms: 0.8x + 0.8x = 1.6x
-4 + 1.6x = 6.4

Solving
-4 + 1.6x = 6.4

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + 1.6x = 6.4 + 4

Combine like terms: -4 + 4 = 0
0 + 1.6x = 6.4 + 4
1.6x = 6.4 + 4

Combine like terms: 6.4 + 4 = 10.4
1.6x = 10.4

Divide each side by '1.6'.
x = 6.5

Simplifying
x = 6.5

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